The word longshoreman is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 22
Highest Scoring Words With Friends™ Play In The Letters longshoreman
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Seven Letter Word Alert: (58 words)
aerosol, almoner, anglers, anomers, armhole, enamors, ensnarl, gaolers, gasohol, gnasher, gnomons, halogen, hangers, hangmen, homages, hormone, lagoons, leghorn, legroom, loaners, magnons, mangers, mangler, mangles, mangoes, manhole, manners, maroons, menorah, moaners, mongers, mongols, mongrel, moolahs, moorage, moorhen, morales, nanogel, nonamer, nongame, nongoal, nonhero, nonmale, nonmeal, nonreal, nonsale, normals, oarsmen, onshore, oranges, oregano, orleans, orogens, regosol, rehangs, reloans, roseola, searoom